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 ===== Introduction ===== ===== Introduction =====
  
-[[http://savannah.gnu.org/projects/screen/|Screen]] is a terminal multiplexer, i.e., it will let you have multiple virtual terminals in a single window. You will also be able to 1) detach a screen session, and then detach it in a later moment; 2) share screen sessions.+[[http://savannah.gnu.org/projects/screen/|Screen]] is a "terminal multiplexer", i.e., it will let you have multiple virtual terminals in a single window. You will also be able to 1) "detach" a screen session, and then detach it in a later moment; 2) share screen sessions.
  
 In this tutorial ''$'' indicates a terminal prompt (just for visual convenience). In this tutorial ''$'' indicates a terminal prompt (just for visual convenience).
  
-A Screen command is usually of the form **CTRL-a KEY**, i.e., you'll have to press the **CTRL** key along with a, followed by a generic KEY. (Screen's default escape key is **CTRL-a**.)+A Screen command is usually of the form **CTRL-a KEY**, i.e., you'll have to press the **CTRL** key along with "a", followed by a generic KEY. (Screen's default escape key is **CTRL-a**.)
  
 You'll need to be a [[http://sdf.org/?join#meta|MetaARPA]] member in order to use Screen on SDF You'll need to be a [[http://sdf.org/?join#meta|MetaARPA]] member in order to use Screen on SDF
  
-If you want a screencast tutorial, type:+If you want a "screencast" tutorial, type:
  
-"$ ttyplay /ftp/pub/users/jecxjo/howto/screen"+''$ ttyplay /ftp/pub/users/jecxjo/howto/screen''
  
 on a terminal connected to SDF. on a terminal connected to SDF.
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 ''$ screen'' ''$ screen''
  
-When you run it, a window with some copyright and some other info will show up, with [Press Space or Return to end.] at the bottom. OK, as it says, you can now press Space or Enter. You will then see your shell prompt and nothing else. That's fine: you can now run your programs as usual, the difference is that they will run under a Screen session. You can detach it by typing **CTRL-a d**. Screen will keep your session running. Now if you logout, then log back in, and type:+When you run it, a window with some copyright and some other info will show up, with "[Press Space or Return to end.]" at the bottom. OK, as it says, you can now press "Space" or "Enter". You will then see your shell prompt and nothing else. That's fine: you can now run your programs as usual, the difference is that they will run under a Screen session. You can detach it by typing **CTRL-a d**. Screen will keep your session running. Now if you logout, then log back in, and type:
  
 ''$ screen -r'' ''$ screen -r''
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 ''$ screen -d -r'' ''$ screen -d -r''
  
-The -d flag will detach Screen, while -r will reattach. There are various types of detach and  flags. For instance, if you type the previous command and there was no screen session to be resumed, you'll get a There is no screen to be detached. message. In this case you'll probably need:+The "-d" flag will detach Screen, while "-r" will reattach. There are various types of "detach" and  flags. For instance, if you type the previous command and there was no screen session to be resumed, you'll get a "There is no screen to be detached." message. In this case you'll probably need:
  
 ''$ screen -d -R'' ''$ screen -d -R''
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 ''$ screen'' ''$ screen''
  
-will create a new window, leaving the previous window untouched, though not visible. Instead of typing screen, you can use the shortcut **CTRL-a c**.+will create a new window, leaving the previous window untouched, though not visible. Instead of typing "screen", you can use the shortcut **CTRL-a c**.
  
 You can create as many windows as you want. You can swith between windows with **CTRL-a n** (next window) and **CTRL-a p** (previous window). It's also possible to select windows by number. Typing **CTRL-a 1** will open window number 1, **CTRL-a 2**, to window 2, and so on. You can create as many windows as you want. You can swith between windows with **CTRL-a n** (next window) and **CTRL-a p** (previous window). It's also possible to select windows by number. Typing **CTRL-a 1** will open window number 1, **CTRL-a 2**, to window 2, and so on.
  
-How do you know what's a window number? Well, you can type **CTRL-a "** (yeah, that's a double quote). In that case a menu with a windows list will open. You can select a number and press enter to go to that screen. An easier way is to have a hard status line that shows you each window number. For doing this in a permanent manner, you'll have to create a .screenrc (Screen's customization file) in your $HOME directory and write in it the following lines:+How do you know what's a window number? Well, you can type **CTRL-a "** (yeah, that's a double quote). In that case a menu with a windows list will open. You can select a number and press enter to go to that screen. An easier way is to have a "hard status line" that shows you each window number. For doing this in a permanent manner, you'll have to create a ".screenrc" (Screen's customization file) in your $HOME directory and write in it the following lines:
  
 <file config .screenrc> <file config .screenrc>
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 ''$ screen -S mysession'' ''$ screen -S mysession''
  
-where mysession is the name you want to give to your session (e.g., "work").+where "mysession" is the name you want to give to your session (e.g., "work").
  
 ===== Splitting windows ===== ===== Splitting windows =====
screen.1615872893.txt.gz · Last modified: 2021/03/16 05:34 by hc9